Process for the reclamation of battery acid and fluid from expen

Details Process for the reclamation of battery acid and fluid from expen Process for the reclamation of battery acid and fluid from expen

1989-02-17

1990-11-20

Straub, Gary P.

Chemistry of inorganic compounds

Sulfur or compound thereof

Oxygen containing

423139, 423DIG2, 429 49, C01B 1790, B01D 1100, H01M 650, H01M 1042

Patent

active

049717804

ABSTRACT:
The present invention discloses a process of extraction and filtration for removing metallic impurities from the acid in used lead-acid batteries. Produced is a reclaimed battery acid fluid which performs very well in new batteries and which avoids the severe costs and environmental risks entailed in present methods of battery acid fluid disposal.

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Yukhim et al, Separation of Antimony & Arsenic by Extraction with Di 2 Ethyl Hexyl Dithiophosphoric Acid, Plenum Publishing Corp, 1980.
G. P. Demopoulos and D. L. Gefvert, "Iron(III) Removal from Base-Metal Electrolyte Solutions by Solvent Extraction," 12 Hydrometallurgy 299 (1984).

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